[graphics/drawy] src: Remove unused forward declaration

Git commit a537d7bab1d33624fb1859e27361910fbcfdcae5 by Laurent Montel.
Committed on 10/08/2026 at 11:22.
Pushed by mlaurent into branch 'master'.

Remove unused forward declaration

M  +0    -1    src/gui/serializer/pngserializer.hpp
M  +0    -1    src/widgets/canvas/canvas.hpp

https://invent.kde.org/graphics/drawy/-/commit/a537d7bab1d33624fb1859e27361910fbcfdcae5

diff --git a/src/gui/serializer/pngserializer.hpp b/src/gui/serializer/pngserializer.hpp
index e06f94f9..6b726026 100644
--- a/src/gui/serializer/pngserializer.hpp
+++ b/src/gui/serializer/pngserializer.hpp
@@ -8,7 +8,6 @@
 #include "item/item.hpp"
 #include "libdrawygui_export.h"
 #include <QFile>
-class QXmlStreamWriter;
 namespace PngSerializer
 {
 LIBDRAWYGUI_EXPORT void writePng(QFile &file, QList<std::shared_ptr<Item>> items, const QColor &backgroundColor);
diff --git a/src/widgets/canvas/canvas.hpp b/src/widgets/canvas/canvas.hpp
index 0c86d78b..701bfe3e 100644
--- a/src/widgets/canvas/canvas.hpp
+++ b/src/widgets/canvas/canvas.hpp
@@ -7,7 +7,6 @@
 #include <QPainter>
 #include <QWidget>
 
-class QInputMethodQueryEvent;
 class Canvas : public QWidget
 {
     Q_OBJECT